1997-1998 for BMW 528i 11781427884 O2 Sensor
1997-1998 for BMW 528i 11781427884 O2 Sensor
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Manufacturer Part Number: 11781427884,11781437943
Fitment:
1998-1999 BMW 323i 323is
1996-1999 BMW 328i 328is M3
1997-1998 for BMW 528i
1997-2002 for BMW Z3
Package List:
1PCS O2 Sensor 11781427884
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Perfect Fit, No-Fuss O2 Sensor – 5/5 Stars!
Guys, the quality of this oxygen sensor is really excellent! It has high precision and durable materials. After installation, the vehicle's performance has improved significantly. I'm really impressed!
Definitely recommend shopping here!
Guys, trust me! The quality of this oxygen sensor is really excellent. The workmanship is fine, the materials are durable, and the performance is super stable.
This thing doesn't just cut emissionsit actually boosts your engine's performance! By keeping tabs on nitrogen oxide levels in the exhaust, it helps your engine management system fine-tune combustion for maximum efficiency. Pretty slick for a little sensor






Let customers speak for us
from 1608 reviews
Gained ton of power and sound.

Didn’t expect a $60 radio screen to have factory quality but this completely exceeded my expectations. Radio screen was out for almost a year and I was just going back and forth on a new screen or radio completely.

Thumbs up

👍It definitely fixed the massive vacuum leak I was having.

Works well for the price

Fixed my cat inefficiency code so I can get my inspection sticker. Will update on how long it lasts as I know aftermarket’s are known to fail quicker than oem. For the price it was worth a try

As good ad OEM!
I had to rebuild my YZ250X and has always been a go-to for me. It's basically equivalent to OEM but a lot of times it's cheaper. Perfect fitment and longevity.

This fuel pump kit worked great in my custom build—fast shipping, and it handled E85 without a hitch.

I purchased these catalytic converters with the Y-pipes about a month ago. The installation was incredibly simple, and I was really pleased with them.

The regulator rectifier and magneto work perfectly, and the gasket fit like a glove.

A little late but ok, worth the price and waiting. So far my truck runs great and no check engine light. Very pleased!

Other shops quoted me about $680+ to cut and weld my old part. But here had a more fair price, just bolt-on perfection. Been cruising with them for a bit now, and they're keeping things running smooth and clean.

Slapped in the new O2 sensor, hooked it up, secured it with a zip tie, and boom—check engine light cleared within hours. Problem solved!😎

Really nice!

This is the third upgrade I’ve added to my bike, and it’s absolutely killer. The build quality is solid, and the color match is spot-on, even for my 85k-mile bike. If you’ve got a Batwing fairing, these deflectors are a must. They seriously sharpen the look, and the install was a breeze 10 minutes tops!. Only thing you’ll need is a Torx bit. Otherwise, everything’s included.